- Feb 1, 2010
- 25
- 0
- 0
im thinking about selling my 89 mustand and buying a 2003 mach 1. i just need something newer with heat lmao. but before i go about doing so. what is the average life on one of these 4v 4.6 engines. cause the one im looking at has 100000miles and i dont want the engine to blow up at 150000. any help or tips are appreciated.